Antenna device



FIG. 1 is front, top, and right side perspective view of an antenna device showing my new design;

FIG. 2 is a rear, bottom, right side perspective view thereof;

FIG. 3 is a rear, top, left side perspective view thereof;

FIG. 4 is a bottom end plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a left side elevational view thereof; and,

FIG. 8 is a top end plan view thereof. 

The ornamental design for an antenna device, as shown. 